diff --git a/pyproject-fmt/rust/src/dependency_groups.rs b/pyproject-fmt/rust/src/dependency_groups.rs
new file mode 100644
index 0000000..959b1a8
--- /dev/null
+++ b/pyproject-fmt/rust/src/dependency_groups.rs
@@ -0,0 +1,29 @@
+use common::array::{sort, transform};
+use common::pep508::{format_requirement, get_canonic_requirement_name};
+use common::table::{collapse_sub_tables, for_entries, reorder_table_keys, Tables};
+
+#[allow(clippy::too_many_lines)]
+pub fn fix(tables: &mut Tables,
+    keep_full_version: bool,) {
+    collapse_sub_tables(tables, "dependency-groups");
+    let table_element = tables.get("dependency-groups");
+    if table_element.is_none() {
+        return;
+    }
+    let table = &mut table_element.unwrap().first().unwrap().borrow_mut();
+    for_entries(table, &mut |_key, entry| {
+        transform(entry, &|s| format_requirement(s, keep_full_version));
+        sort(entry, |e| {
+            get_canonic_requirement_name(e).to_lowercase() + " " + &format_requirement(e, keep_full_version)
+        });
+    });
+    reorder_table_keys(
+        table,
+        &[
+            "",
+            "dev",
+            "test",
+            "docs",
+        ],
+    );
+}
diff --git a/pyproject-fmt/rust/src/main.rs b/pyproject-fmt/rust/src/main.rs
index 6bdd4a9..1871cd3 100644
--- a/pyproject-fmt/rust/src/main.rs
+++ b/pyproject-fmt/rust/src/main.rs
@@ -9,6 +9,7 @@ use crate::global::reorder_tables;
 use common::table::Tables;
 
 mod build_system;
+mod dependency_groups;
 mod project;
 
 mod global;
@@ -60,6 +61,7 @@ pub fn format_toml(content: &str, opt: &Settings) -> String {
         opt.max_supported_python,
         opt.min_supported_python,
     );
+    dependency_groups::fix(&mut tables, opt.keep_full_version);
     ruff::fix(&mut tables);
     reorder_tables(&root_ast, &tables);
 
diff --git a/pyproject-fmt/rust/src/tests/dependency_groups_tests.rs b/pyproject-fmt/rust/src/tests/dependency_groups_tests.rs
new file mode 100644
index 0000000..6f79a23
--- /dev/null
+++ b/pyproject-fmt/rust/src/tests/dependency_groups_tests.rs
@@ -0,0 +1,141 @@
+use common::taplo::formatter::{format_syntax, Options};
+use common::taplo::parser::parse;
+use common::taplo::syntax::SyntaxElement;
+use indoc::indoc;
+use rstest::rstest;
+
+use crate::dependency_groups::fix;
+use common::table::Tables;
+
+fn evaluate(start: &str, keep_full_version: bool) -> String {
+    let root_ast = parse(start).into_syntax().clone_for_update();
+    let count = root_ast.children_with_tokens().count();
+    let mut tables = Tables::from_ast(&root_ast);
+    fix(&mut tables, keep_full_version);
+    let entries = tables
+        .table_set
+        .iter()
+        .flat_map(|e| e.borrow().clone())
+        .collect::<Vec<SyntaxElement>>();
+    root_ast.splice_children(0..count, entries);
+    let opt = Options {
+        column_width: 1,
+        ..Options::default()
+    };
+    format_syntax(root_ast, opt)
+}
+
+#[rstest]
+#[case::no_groups(
+        indoc ! {r""},
+        "\n",
+        false,
+)]
+#[case::single_group_single_dep(
+        indoc ! {r#"
+    [dependency-groups]
+    test=["a>1.0.0"]
+    "#},
+        indoc ! {r#"
+    [dependency-groups]
+    test = [
+      "a>1",
+    ]
+    "#},
+        false,
+)]
+#[case::single_group_single_dep_full_version(
+        indoc ! {r#"
+    [dependency-groups]
+    test=["a>1.0.0"]
+    "#},
+        indoc ! {r#"
+    [dependency-groups]
+    test = [
+      "a>1.0.0",
+    ]
+    "#},
+        true,
+)]
+#[case::single_group_multiple_deps(
+        indoc ! {r#"
+    [dependency-groups]
+    test=["b==2.0.*", "a>1"]
+    "#},
+        indoc ! {r#"
+    [dependency-groups]
+    test = [
+      "a>1",
+      "b==2.0.*",
+    ]
+    "#},
+        false,
+)]
+#[case::multiple_groups(
+        indoc ! {r#"
+    [dependency-groups]
+    example=["c<1"]
+    docs=["b==1"]
+    test=["a>1"]
+    dev=["d>=2"]
+    "#},
+        indoc ! {r#"
+    [dependency-groups]
+    dev = [
+      "d>=2",
+    ]
+    test = [
+      "a>1",
+    ]
+    docs = [
+      "b==1",
+    ]
+    example = [
+      "c<1",
+    ]
+    "#},
+        false,
+)]
+#[case::include_single_group(
+        indoc ! {r#"
+    [dependency-groups]
+    docs=["b==1"]
+    test=["a>1",{include-group="docs"}]
+    "#},
+        indoc ! {r#"
+    [dependency-groups]
+    test = [
+      "a>1",
+      { include-group = "docs" },
+    ]
+    docs = [
+      "b==1",
+    ]
+    "#},
+        false,
+)]
+#[case::include_many_groups(
+        indoc ! {r#"
+    [dependency-groups]
+    docs=["b==1"]
+    test=["a>1"]
+    all=[{include-group="docs"},{include-group="test"}]
+    "#},
+        indoc ! {r#"
+    [dependency-groups]
+    test = [
+      "a>1",
+    ]
+    docs = [
+      "b==1",
+    ]
+    all = [
+      { include-group = "docs" },
+      { include-group = "test" },
+    ]
+    "#},
+        false,
+)]
+fn test_format_dependency_groups(#[case] start: &str, #[case] expected: &str, #[case] keep_full_version: bool) {
+    assert_eq!(evaluate(start, keep_full_version), expected);
+}
diff --git a/pyproject-fmt/rust/src/tests/main_tests.rs b/pyproject-fmt/rust/src/tests/main_tests.rs
index 4f8b82c..5e89b55 100644
--- a/pyproject-fmt/rust/src/tests/main_tests.rs
+++ b/pyproject-fmt/rust/src/tests/main_tests.rs
@@ -17,6 +17,8 @@ use crate::{format_toml, Settings};
     [build-system]
     build-backend="backend"
     requires=[" c >= 1.5.0", "d == 2.0.0"]
+    [dependency-groups]
+    test=["p>1.0.0"]
     [tool.mypy]
     mk="mv"
     "#},
@@ -45,6 +47,11 @@ use crate::{format_toml, Settings};
       "e>=1.5",
     ]
 
+    [dependency-groups]
+    test = [
+      "p>1",
+    ]
+
     [tool.mypy]
     mk = "mv"
     "#},
diff --git a/pyproject-fmt/rust/src/tests/mod.rs b/pyproject-fmt/rust/src/tests/mod.rs
index 11e29e4..55a18bc 100644
--- a/pyproject-fmt/rust/src/tests/mod.rs
+++ b/pyproject-fmt/rust/src/tests/mod.rs
@@ -1,4 +1,5 @@
 mod build_systems_tests;
+mod dependency_groups_tests;
 mod global_tests;
 mod main_tests;
 mod project_tests;